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| -rw-r--r-- | src/libcolour.h | 301 |
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diff --git a/src/libcolour.h b/src/libcolour.h deleted file mode 100644 index 6387151..0000000 --- a/src/libcolour.h +++ /dev/null @@ -1,301 +0,0 @@ -/** - * Copyright © 2016 Mattias Andrée <maandree@kth.se> - * - * This program is free software: you can redistribute it and/or modify - * it under the terms of the GNU General Public License as published by - * the Free Software Foundation, either version 3 of the License, or - * (at your option) any later version. - * - * This program is distributed in the hope that it will be useful, - * but WITHOUT ANY WARRANTY; without even the implied warranty of - * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - * GNU General Public License for more details. - * - * You should have received a copy of the GNU General Public License - * along with this program. If not, see <http://www.gnu.org/licenses/>. - */ -#ifndef LIBCOLOUR_H -#define LIBCOLOUR_H - - -#include <stddef.h> - - - -#define LIBCOLOUR_ILLUMINANT__(x__, y__) (libcolour_ciexyy_t){.model = LIBCOLOUR_CIEXYY, .x = x__, .y = y__, .Y = 1} - -#define LIBCOLOUR_ILLUMINANT_A LIBCOLOUR_ILLUMINANT__(0.447573514098910552050369915378, 0.407439444306660847328060981454) -#define LIBCOLOUR_ILLUMINANT_B LIBCOLOUR_ILLUMINANT__(0.348407693041403399014654951316, 0.351617234807268863594487129376) -#define LIBCOLOUR_ILLUMINANT_C LIBCOLOUR_ILLUMINANT__(0.310058473730255412803558101587, 0.316149707523236456196968902077) -#define LIBCOLOUR_ILLUMINANT_D50 LIBCOLOUR_ILLUMINANT__(0.345668037029273123028616510055, 0.358496838937619077825047497754) -#define LIBCOLOUR_ILLUMINANT_D55 LIBCOLOUR_ILLUMINANT__(0.332424102468830251488896010414, 0.347428039087666229445261478759) -#define LIBCOLOUR_ILLUMINANT_D65 LIBCOLOUR_ILLUMINANT__(0.312726871026564878786047074755, 0.329023206641284038376227272238) -#define LIBCOLOUR_ILLUMINANT_D75 LIBCOLOUR_ILLUMINANT__(0.299022300412497055166483050925, 0.314852737888341893679466920730) -#define LIBCOLOUR_ILLUMINANT_E LIBCOLOUR_ILLUMINANT__(1. / 3, 1. / 3) -#define LIBCOLOUR_ILLUMINANT_F1 LIBCOLOUR_ILLUMINANT__(0.313062433035651010992950205036, 0.337106477918307445573731229160) -#define LIBCOLOUR_ILLUMINANT_F2 LIBCOLOUR_ILLUMINANT__(0.372068154452825539113547392844, 0.375122558203110079144693145281) -#define LIBCOLOUR_ILLUMINANT_F3 LIBCOLOUR_ILLUMINANT__(0.409090035308107391465171076561, 0.394117134255365986206243178458) -#define LIBCOLOUR_ILLUMINANT_F4 LIBCOLOUR_ILLUMINANT__(0.440181095827666568620628595454, 0.403090691158138336724903183494) -#define LIBCOLOUR_ILLUMINANT_F5 LIBCOLOUR_ILLUMINANT__(0.313756583095696484075887155996, 0.345160794752101929283583103825) -#define LIBCOLOUR_ILLUMINANT_F6 LIBCOLOUR_ILLUMINANT__(0.377882361062687466279896852939, 0.388192885537868959122675960316) -#define LIBCOLOUR_ILLUMINANT_F7 LIBCOLOUR_ILLUMINANT__(0.312852472915475354753311876266, 0.329174178033567632617462095368) -#define LIBCOLOUR_ILLUMINANT_F8 LIBCOLOUR_ILLUMINANT__(0.345805753550315952971061506105, 0.358617583214377477762724311106) -#define LIBCOLOUR_ILLUMINANT_F9 LIBCOLOUR_ILLUMINANT__(0.374105245592801061160770359493, 0.372672400924498159469067104510) -#define LIBCOLOUR_ILLUMINANT_F10 LIBCOLOUR_ILLUMINANT__(0.346086913993929323751785886998, 0.358751605952200347537939251197) -#define LIBCOLOUR_ILLUMINANT_F11 LIBCOLOUR_ILLUMINANT__(0.380537485483030235577928124258, 0.376915309293930078649026427229) -#define LIBCOLOUR_ILLUMINANT_F12 LIBCOLOUR_ILLUMINANT__(0.437023901312296902954557253906, 0.404214327891585678553809657387) - -#define LIBCOLOUR_ILLUMINANT_A_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.451173939693730152722395132514, 0.405936604212625562482230634487) -#define LIBCOLOUR_ILLUMINANT_B_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.349819801494100579564161535018, 0.352687989927865819250740742063) -#define LIBCOLOUR_ILLUMINANT_C_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.310388663270034004248998371622, 0.319050711366790695766582075521) -#define LIBCOLOUR_ILLUMINANT_D50_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.347729429961154856698613002663, 0.359522508516545380441442603114) -#define LIBCOLOUR_ILLUMINANT_D55_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.334116336430253457745465084372, 0.348766090975953568786849245953) -#define LIBCOLOUR_ILLUMINANT_D65_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.313823646938709621689866935412, 0.330998985489933561510156323493) -#define LIBCOLOUR_ILLUMINANT_D75_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.299679971345752860223399238748, 0.317403239854836705102769656150) -#define LIBCOLOUR_ILLUMINANT_E_10DEG_OBS LIBCOLOUR_ILLUMINANT__(1. / 3, 1. / 3) -#define LIBCOLOUR_ILLUMINANT_F1_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.318098801070991199502202562144, 0.335489451474129951602520804954) -#define LIBCOLOUR_ILLUMINANT_F2_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.379274832262508854174853922814, 0.367227934400669309145115448700) -#define LIBCOLOUR_ILLUMINANT_F3_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.417644682102624287267644831445, 0.383124504918675723441623404142) -#define LIBCOLOUR_ILLUMINANT_F4_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.449247699162001246087072559021, 0.390605475879083674506375700730) -#define LIBCOLOUR_ILLUMINANT_F5_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.319739939104951298443069163113, 0.342367055369128092667807550242) -#define LIBCOLOUR_ILLUMINANT_F6_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.386626908526034762658696308790, 0.378372201588893453116924092683) -#define LIBCOLOUR_ILLUMINANT_F7_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.315645637312390425766039925293, 0.329508145132134222521358424274) -#define LIBCOLOUR_ILLUMINANT_F8_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.348965563721531868424108324689, 0.359317299140994528272585739614) -#define LIBCOLOUR_ILLUMINANT_F9_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.378258900384649654480284652891, 0.370371375730762564248976786985) -#define LIBCOLOUR_ILLUMINANT_F10_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.350893389986753234666139178444, 0.354302210111646531665030579461) -#define LIBCOLOUR_ILLUMINANT_F11_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.385435391037903751776383387551, 0.371094786781121399599214782938) -#define LIBCOLOUR_ILLUMINANT_F12_10DEG_OBS LIBCOLOUR_ILLUMINANT__(0.442654456042513022584472537346, 0.397060737666593277506166259627) - - -#define LIBCOLOUR_LIST_MODELS\ - X(LIBCOLOUR_RGB, libcolour_rgb_t)\ - X(LIBCOLOUR_SRGB, libcolour_srgb_t)\ - X(LIBCOLOUR_CIEXYY, libcolour_ciexyy_t)\ - X(LIBCOLOUR_CIEXYZ, libcolour_ciexyz_t)\ - X(LIBCOLOUR_CIELAB, libcolour_cielab_t)\ - X(LIBCOLOUR_CIELUV, libcolour_cieluv_t)\ - X(LIBCOLOUR_CIELCHUV, libcolour_cielchuv_t)\ - X(LIBCOLOUR_YIQ, libcolour_yiq_t)\ - X(LIBCOLOUR_YDBDR, libcolour_ydbdr_t)\ - X(LIBCOLOUR_YUV, libcolour_yuv_t)\ - X(LIBCOLOUR_YPBPR, libcolour_ypbpr_t)\ - X(LIBCOLOUR_YCGCO, libcolour_ycgco_t)\ - X(LIBCOLOUR_CIE1960UCS, libcolour_cie1960ucs_t)\ - X(LIBCOLOUR_CIEUVW, libcolour_cieuvw_t) - - -typedef enum libcolour_model { -#define X(C, T) C, - LIBCOLOUR_LIST_MODELS -#undef X -} libcolour_model_t; - - -typedef enum libcolour_encoding_type { - LIBCOLOUR_ENCODING_TYPE_LINEAR, - LIBCOLOUR_ENCODING_TYPE_SIMPLE, - LIBCOLOUR_ENCODING_TYPE_REGULAR, - LIBCOLOUR_ENCODING_TYPE_CUSTOM -} libcolour_encoding_type; - - -typedef enum libcolour_rgb_colour_space { - LIBCOLOUR_RGB_COLOUR_SPACE_CUSTOM_FROM_MEASUREMENTS, - LIBCOLOUR_RGB_COLOUR_SPACE_CUSTOM_FROM_MATRIX, - LIBCOLOUR_RGB_COLOUR_SPACE_CUSTOM_FROM_INV_MATRIX, - LIBCOLOUR_RGB_COLOUR_SPACE_SRGB, - LIBCOLOUR_RGB_COLOUR_SPACE_ADOBE_RGB, - LIBCOLOUR_RGB_COLOUR_SPACE_APPLE_RGB, - LIBCOLOUR_RGB_COLOUR_SPACE_BEST_RGB, - LIBCOLOUR_RGB_COLOUR_SPACE_BETA_RGB, - LIBCOLOUR_RGB_COLOUR_SPACE_BRUCE_RGB, - LIBCOLOUR_RGB_COLOUR_SPACE_CIE_RGB, - LIBCOLOUR_RGB_COLOUR_SPACE_COLORMATCH_RGB, - LIBCOLOUR_RGB_COLOUR_SPACE_DCI_P3_D65, - LIBCOLOUR_RGB_COLOUR_SPACE_DCI_P3_THEATER, - LIBCOLOUR_RGB_COLOUR_SPACE_DON_RGB_4, - LIBCOLOUR_RGB_COLOUR_SPACE_ECI_RGB, - LIBCOLOUR_RGB_COLOUR_SPACE_ECI_RGB_V2, - LIBCOLOUR_RGB_COLOUR_SPACE_EKTA_SPACE_PS5, - LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_601_625_LINE, - LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_601_525_LINE, - LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_709, - LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_2020, - LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_2100_EOTF_PQ, - LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_2100_OOTF_PQ, - LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_2100_OETF_PQ, - LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_2100_EOTF_HLG, - LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_2100_OOTF_HLG, - LIBCOLOUR_RGB_COLOUR_SPACE_ITU_R_BT_2100_OETF_HLG, - LIBCOLOUR_RGB_COLOUR_SPACE_LIGHTROOM_RGB, - LIBCOLOUR_RGB_COLOUR_SPACE_NTSC_RGB, - LIBCOLOUR_RGB_COLOUR_SPACE_PAL_SECAM_RGB, - LIBCOLOUR_RGB_COLOUR_SPACE_PROPHOTO_RGB, - LIBCOLOUR_RGB_COLOUR_SPACE_SGI_RGB, - LIBCOLOUR_RGB_COLOUR_SPACE_SMPTE_240M_RGB, - LIBCOLOUR_RGB_COLOUR_SPACE_SMPTE_C_RGB, - LIBCOLOUR_RGB_COLOUR_SPACE_WIDE_GAMUT_RGB -} libcolour_rgb_colour_space_t; - - -typedef struct libcolour_srgb { - enum libcolour_model model; - double R; - double G; - double B; - int with_gamma; -} libcolour_srgb_t; - -typedef struct libcolour_ciexyy { - enum libcolour_model model; - double x; - double y; - double Y; -} libcolour_ciexyy_t; - -typedef struct libcolour_ciexyz { - enum libcolour_model model; - double X; - double Y; - double Z; -} libcolour_ciexyz_t; - -typedef struct libcolour_cielab { - enum libcolour_model model; - double L; - double a; - double b; -} libcolour_cielab_t; - -typedef struct libcolour_yiq { - enum libcolour_model model; - double Y; - double I; - double Q; -} libcolour_yiq_t; - -typedef struct libcolour_ydbdr { - enum libcolour_model model; - double Y; - double Db; - double Dr; -} libcolour_ydbdr_t; - -typedef struct libcolour_yuv { - enum libcolour_model model; - double Y; - double U; - double V; -} libcolour_yuv_t; - -typedef struct libcolour_ypbpr { - enum libcolour_model model; - double Y; - double Pb; - double Pr; -} libcolour_ypbpr_t; - -typedef struct libcolour_ycgco { - enum libcolour_model model; - double Y; - double Cg; - double Co; -} libcolour_ycgco_t; - -typedef struct libcolour_cie1960ucs { - enum libcolour_model model; - double u; - double v; - double Y; -} libcolour_cie1960ucs_t; - -typedef struct libcolour_cieuvw { - enum libcolour_model model; - double U; - double V; - double W; - double u0; - double v0; -} libcolour_cieuvw_t; - -typedef struct libcolour_cieluv { - enum libcolour_model model; - double L; - double u; - double v; - struct libcolour_ciexyz white; -} libcolour_cieluv_t; - -typedef struct libcolour_cielchuv { - enum libcolour_model model; - double L; - double C; - double h; - struct libcolour_ciexyz white; - double one_revolution; -} libcolour_cielchuv_t; - -typedef struct libcolour_rgb { - enum libcolour_model model; - double R; - double G; - double B; - int with_gamma; - enum libcolour_encoding_type encoding_type; - double gamma; - double offset; - double slope; - double transition; - double transitioninv; - double (*to_encoded_red)(double); - double (*to_decoded_red)(double); - double (*to_encoded_green)(double); - double (*to_decoded_green)(double); - double (*to_encoded_blue)(double); - double (*to_decoded_blue)(double); - struct libcolour_ciexyy red; - struct libcolour_ciexyy green; - struct libcolour_ciexyy blue; - struct libcolour_ciexyy white; - double white_r; - double white_g; - double white_b; - double M[3][3]; - double Minv[3][3]; - enum libcolour_rgb_colour_space colour_space; -} libcolour_rgb_t; - - -typedef union libcolour_colour { - enum libcolour_model model; - struct libcolour_rgb rgb; - struct libcolour_srgb srgb; - struct libcolour_ciexyy ciexyy; - struct libcolour_ciexyz ciexyz; - struct libcolour_cielab cielab; - struct libcolour_cieluv cieluv; - struct libcolour_cielchuv cielchuv; - struct libcolour_yiq yiq; - struct libcolour_ydbdr ydbdr; - struct libcolour_yuv yuv; - struct libcolour_ypbpr ypbpr; - struct libcolour_ycgco ycgco; - struct libcolour_cie1960ucs cie1960ucs; - struct libcolour_cieuvw cieuvw; -} libcolour_colour_t; - - - -int libcolour_convert(const libcolour_colour_t* restrict from, libcolour_colour_t* restrict to); -double libcolour_srgb_encode(double); -double libcolour_srgb_decode(double); -int libcolour_delta_e(const libcolour_colour_t*, const libcolour_colour_t*, double*); -int libcolour_proper(libcolour_colour_t*); -int libcolour_get_rgb_colour_space(libcolour_rgb_t*, libcolour_rgb_colour_space_t); -size_t libcolour_marshal(const libcolour_colour_t*, void*); -size_t libcolour_unmarshal(libcolour_colour_t*, const void*); - - - -#endif - |